Restorative Dentistry and Endodontics

  • 제29권3호
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  • Pages.273-280
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  • 2004
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  • 2234-7658(pISSN)
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  • 2234-7666(eISSN)
대한치과보존학회 (The Korean Academy of Conservative Dentistry)
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법랑질에 대한 total etching과 self-etching 접착제의 산부식 효과와 미세인장결합강도

THE ETCHING EFFECTS AND MICROTENSILE BOND STRENGTH OF TOTAL ETCHING AND SELF-ETCHING ADHESIVE SYSTEM ON UNGROUND ENAMEL

  • 오선경 (부산대학교 치과대학 보존학교실) ;
  • 허복 (부산대학교 치과대학 보존학교실) ;
  • 김현철 (부산대학교 치과대학 보존학교실)
  • Oh, Sun-Kyong (Department of Conservative Dentistry, College of Dentistry, Pusan National University) ;
  • Hur, Bock (Department of Conservative Dentistry, College of Dentistry, Pusan National University) ;
  • Kim, Hyeon-Cheol (Department of Conservative Dentistry, College of Dentistry, Pusan National University)
  • 발행 : 2004.05.01
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초록

The purpose of this study was to evaluate the etching effects and bond strength of total etching and self-etching adhesive system on unground enamel using scanning electron microscopy and microtensile bond strength test. The buccal coronal unground enamel from human extracted molars were prepared using low-speed diamond saw. Scotchbond Multi-Purpose (group SM). Clearfil SE Bond (group SE), or Adper Prompt L-Pop (group LP) were applied to the prepared teeth. and the blocks of resin composite (Filtek Z250) were built up incrementally. Resin tag formation was evaluated by scanning electron microscopy. after removal of enamel surface by acid dissolution and dehydration. For microtensile bond strength test. resin-bonded teeth were sectioned to give a bonded surface area of $1\textrm{mm}^2$. Microtensile bond strength test was perfomed. The results of this study were as follows. 1. A definite etching pattern was observed in Scotchbond Multi-Purpose group. 2. Self-etching groups were characterized as shallow and irregular etching patterns. 3. The results (mean) of microtensile bond strength were SM: 26.55 MPa, SE: 18.15 MPa, LP: 15.57 MPa. SM had significantly higher microtensile bond strength than 8E and PL (p < 0.05). but there was no significant differance between SE and PL.

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피인용 문헌

  1. Effects of one or two applications of all-in-one adhesive on microtensile bond strength to unground enamel vol.31, pp.6, 2006, https://doi.org/10.5395/JKACD.2006.31.6.445
  2. Physical properties of different self-adhesive resin cements and their shear bond strength on lithium disilicate ceramic and dentin vol.34, pp.3, 2009, https://doi.org/10.5395/JKACD.2009.34.3.184